Lamp



FIG. 1 is a top perspective view of the lamp showing our design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in FIGS. 1, 4, and 6 depict a portion of the lamp that forms no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 